Azure Specific

1. What is the primary function of Azure Key Vault, and how does it enhance security for cloud applications?
2. Explain how Azure IoT Hub facilitates device-to-cloud and cloud-to-device communication, including an example use case.
3. Describe the key features of Azure Machine Learning and how it accelerates the development of AI solutions.
4. How does Azure Stream Analytics process large volumes of real-time data, and what are its primary use cases?
5. Discuss the purpose of Azure Policy and how it contributes to maintaining compliance and governance standards in Azure environments.